Payments & serverless full-stack developer

  • CHF 68-CHF 109/hr
  • Full time
  • 8 years
  • Payment integration
  • Next.js
  • Serverless functions
  • Webhooks
  • PostgreSQL
  • TypeScript

Portfolio site

example.test/yusuf-soto-24 (opens in a new tab)

Hosted elsewhere. We link to it but never read it, so it does not feed matching.

About

I build checkout and billing flows that survive contact with production: signed webhooks, idempotent replay, and reconciliation you can audit. Mostly Next.js on Vercel with Postgres behind it.